# Tonal noise reduction by unevenly spaced blades in a forward-curved-blades centrifugal fan

> Research article (Applied Acoustics, 2018) · cited 34× · AI/ML

**Wikidata**: [openalex:W2901649738](https://www.wikidata.org/wiki/openalex:W2901649738)  
**Source**: https://4ort.xyz/entity/tonal-noise-reduction-by-unevenly-spaced-blades-in-a-forward-curved-blades-centrifugal-fan